xbutton
nounUK /ˈɛks bʌtən/
US /ˈɛks bʌtən/
A button with the letter X on it that you press to close or stop something.
Press the xbutton in the corner to close the window.
RELATED WORDS
OTHER MEANINGS
2. A button on a game controller marked with X.
Tap the xbutton to jump in the game.
3. A small X-shaped icon on a screen used to remove something.
Click the xbutton to delete the message.
4. A key on some devices labeled X.
He pressed the xbutton to type the letter.